================
@@ -833,6 +833,22 @@ TargetInfo::CreateTargetInfo(DiagnosticsEngine &Diags,
if (!Target->handleTargetFeatures(Opts->Features, Diags))
return nullptr;
+ // If TuneCPU is set, check if it contains all instruction sets needed by
+ // current feature map.
+ if (!Opts->TuneCPU.empty() && Opts->TuneCPU != Opts->CPU) {
----------------
chenzheng1030 wrote:
Can this handle the case that we use default cpu(i.e. no -mcpu set)?
https://github.com/llvm/llvm-project/pull/68861
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